One vertex per element, one color per generator, with an edge from x to x·s.
(2,5)(3,7)(10,12)(11,15)(17,18,22,19)(20,25,27,23)(21,24,29,26)(28,31,32,30)(33,34,38,42)(35,40,36,39)(37,45,46,41)(43,47,44,48)(2,5)(6,8)(18,19)(20,27)(21,29)(30,31)(33,35,38,36)(34,39,42,40)(37,44,46,43)(41,48,45,47)(9,10,13,12)(11,16,15,14)(17,19,22,18)(20,23,27,25)(21,26,29,24)(28,30,32,31)(33,36,38,35)(34,40,42,39)(37,44,46,43)(41,48,45,47)(1,2)(3,6)(4,5)(7,8)(9,11,13,15)(10,14,12,16)(17,20,22,27)(18,23,19,25)(21,28,29,32)(24,30,26,31)(33,34)(35,39)(36,40)(37,41)(38,42)(43,47)(44,48)(45,46)(1,3)(2,6)(4,7)(5,8)(9,12,13,10)(11,16,15,14)(17,21)(18,24)(19,26)(20,28)(22,29)(23,30)(25,31)(27,32)(33,37,38,46)(34,41,42,45)(35,43,36,44)(39,47,40,48)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.